Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 10 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/12/2019   06:34:08   (   0.00, -75.20) (   0.17, -75.93)   83.57                80
 10/13/2019   06:12:33   (   0.00, -75.20) (  -0.83, -71.35)  437.80                80
 10/14/2019   18:34:14   (  -0.00, -75.21) (  -0.30, -76.60)  158.98                80
 10/15/2019   18:17:58   (   0.00, -75.21) (   0.71, -72.03)  362.73                80
 10/17/2019   06:39:30   (   0.00, -75.22) (   0.44, -77.23)  229.35                80
 10/18/2019   06:17:54   (  -0.00, -75.22) (  -0.56, -72.66)  292.34                80
 10/19/2019   18:39:34   (   0.00, -75.23) (  -0.62, -77.89)  304.24                80
 10/20/2019   18:23:20   (  -0.00, -75.24) (   0.45, -73.33)  217.70                80
 10/22/2019   06:44:51   (  -0.00, -75.25) (   0.71, -78.54)  373.98                80
 10/23/2019   06:23:16   (  -0.00, -75.26) (  -0.30, -73.96)  148.11                80
 10/24/2019   18:44:56   (   0.00, -75.27) (  -0.88, -79.20)  447.70                80
 10/25/2019   18:28:41   (   0.00, -75.28) (   0.13, -74.62)   74.96                80